效果如图:
在这里插入图片描述
礼物和背包都是可以很多页的,可能这是唯一稍微麻烦一点的地方,直接贴全部详细代码。
1、首先写一个名为FragmentRoomDetailGift的DialogFragment,是整个的弹框(包括礼物和背包模块,以及点击可以跳转到别的模块的小游戏“摇糖罐”),FragmentRoomDetailGift继承自我封装的抽象类BaseDialogFragment2。
2、礼物和背包的分页,思路是创建一个view的集合,每页设置8个礼物,下面会贴出礼物的页面GiftFragment.kt的代码。
3、关于送礼物走的接口就是看具体情况了,现在送礼物走的是接口,然后回调走的websocket,通知房间里的其他人进行下一步操作。其实最好的方案是进房间走一次接口,其他所有的操作都走websocket,关于websocket这个分类其他文章会写。

BaseDialogFragment2.kt的代码:

abstract class BaseDialogFragment2 : DialogFragment() {
    protected val TAG = javaClass.simpleName
    protected lateinit var mContext: Context
    abstract val layoutRes: Int

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        mContext = activity as Context
    }

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        var rootView = inflater.inflate(layoutRes, null)
        mContext = activity as Context
        return rootView
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        initView()
        super.onViewCreated(view, savedInstanceState)
    }

    private fun initView() {
        initAll()
        setListener()
        processLogic()
    }

    protected abstract fun initAll()
    protected abstract fun setListener()
    protected abstract fun processLogic()

    protected fun hideSoftKeyboard(view: View) {
        activity?.inputMethodManager?.hideSoftInputFromWindow(view.windowToken, 0)
    }

    protected fun showSoftKeyboard(view: View) {
        activity?.inputMethodManager?.showSoftInput(view, InputMethodManager.SHOW_FORCED)
    }
}

FragmentRoomDetailGift.kt的代码:

class FragmentRoomDetailGift : BaseDialogFragment2() {

    override val layoutRes: Int
        get() = R.layout.dialog_room_detail_gift
    //礼物和背包的fragment的集合
    var mFragments: Array<Fragment>? = null
    //礼物和背包的标题集合
    var title: Array<String>? = null
    //礼物和背包的pageadapter
    var adapter: CustomFragmentPagerAdapter? = null
    //选择打赏对象的弹框
    var popGiftLeft: PopGiftLeft? = null
    //选择赠送多个礼物的弹框
    var popGiftRight: PopGiftRight? = null
    //一个礼物赠送多次的自定义弹框,这里的数据是本地的
    var beenRight = arrayListOf<GiftRightBean>()
    //麦上人员的信息/选择被打赏的人
    var beenResultLeft = mutableListOf<RoomDetailBean.HousePitBean>()
    //一次送出多个礼物的礼物数据
    var beanResultRight: GiftRightBean? = null
    //点击摇糖罐的接口的实现方法
    var mListener: OnFragmentInteractionListener? = null
    //语音直播间的id
    var room_id = ""
    //语音直播间的环信id
    var chatrooms = ""
    //送给某人的选中的user_id
    var to_user_id = ""

    override fun onStart() {
        super.onStart()
        //弹框的样式和动画等的配置
        dialog.window.setBackgroundDrawable(ColorDrawable(getResources().getColor(R.color.transparent)))
        dialog.window.setGravity(Gravity.BOTTOM)
        dialog.window.setLayout(ScreenUtils.getScreenWidth(), (ScreenUtils.getScreenHeight() * 5.2 / 10).toInt())
        dialog.window.setWindowAnimations(R.style.ShowDialogBottom)
    }

    override fun onAttach(context: Context) {
        super.onAttach(context)
        if (context is OnFragmentInteractionListener) {
            mListener = context as OnFragmentInteractionListener
        } else {
            throw RuntimeException("$context must implement OnFragmentInteractionListener")
        }
    }

    override fun onDetach() {
        super.onDetach()
        mListener = null
    }


    override fun initAll() {
//        setStyle(DialogFragment.STYLE_NO_FRAME, R.style.custom_dialog1)
        //从直播间详情传递的麦上人员信息
        var list = arguments?.getSerializable("bean") as MutableList<RoomDetailBean.HousePitBean>
        beenResultLeft = list.filter { !it.user_id.isNullOrEmpty() } as MutableList<RoomDetailBean.HousePitBean>
        beenResultLeft?.forEach {
            it.isChecked = false
        }
        //房主在麦位,放在第一个显示
        var admin = beenResultLeft?.filter { it.pit_number == 9 }
        if (admin?.size != 0) {
            beenResultLeft?.removeAll(admin)
            beenResultLeft?.addAll(0, admin)
        }
        //不能打赏自己
        var me = beenResultLeft?.filter { it.user_id == MyApplication.getInstance().user.user_id }
        beenResultLeft?.removeAll(me)
        room_id = arguments?.getString("id") ?: ""
        chatrooms = arguments?.getString("chatrooms") ?: ""
        to_user_id = arguments?.getString("to_user_id") ?: ""
        beenResultLeft?.forEach {
            if (it.user_id == to_user_id) {
                it.isChecked = true
            }
        }
        refreshCheckedStatus(1)
        tv_money.text = MyApplication.getInstance().user.money
        if (MyApplication.getInstance().user.is_open_tangguo == 1) {
            //开启
            tv_sugar.visibility = View.VISIBLE
        } else {
            //关闭
            tv_sugar.visibility = View.GONE
        }
        title = arrayOf("礼物", "背包")
        mFragments = arrayOf(GiftFragment.newInstance(null), BagFragment.newInstance(null))
        adapter = CustomFragmentPagerAdapter(mFragments, childFragmentManager)
        svp.adapter = adapter
        ctl.setViewPager(svp, title)
        svp.offscreenPageLimit = 2
        svp.setScroll(true)
        svp.addOnPageChangeListener(object : ViewPager.OnPageChangeListener {
            override fun onPageScrollStateChanged(state: Int) {

            }

            override fun onPageScrolled(position: Int, positionOffset: Float, positionOffsetPixels: Int) {
                if (position == 1) {
                    btn_all_bag.visibility = View.VISIBLE
                } else {
                    btn_all_bag.visibility = View.GONE
                }
            }

            override fun onPageSelected(position: Int) {

            }
        })
        beenRight?.clear()
        beenRight?.also {
            it.add(GiftRightBean()?.also { it.name = "1";it.content = "一心一意" })
            it.add(GiftRightBean()?.also { it.name = "10";it.content = "十全十美" })
            it.add(GiftRightBean()?.also { it.name = "66";it.content = "一切顺利" })
            it.add(GiftRightBean()?.also { it.name = "99";it.content = "天长地久" })
            it.add(GiftRightBean()?.also { it.name = "188";it.content = "要抱抱" })
            it.add(GiftRightBean()?.also { it.name = "520";it.content = "我爱你" })
            it.add(GiftRightBean()?.also { it.name = "1314";it.content = "一生一世" })
        }
    }

    override fun setListener() {
        tv_sugar.setOnClickListener {
            dismiss()
            mListener?.onFragmentInteraction(1)
        }
        //打赏全麦
        btn_all_mics.setOnClickListener {
            if (beenResultLeft == null || beenResultLeft.size == 0) {
                ToastUtils.showShort("没有打赏对象")
                return@setOnClickListener
            }
            if (beenResultLeft.filter { it.isChecked }.size == beenResultLeft?.size) {
                beenResultLeft.forEach {
                    it.isChecked = false
                }
            } else {
                beenResultLeft.forEach {
                    it.isChecked = true
                }
            }
            refreshCheckedStatus(2)
        }
        //选择打赏对象
        tv_choose.setOnClickListener {
            if (beenResultLeft == null || beenResultLeft.size == 0) {
                ToastUtils.showShort("没有打赏对象")
                return@setOnClickListener
            }
            if (popGiftLeft == null) {
                popGiftLeft = PopGiftLeft(mContext, beenResultLeft) {
                    beenResultLeft = it
                    refreshCheckedStatus(2)
                }
            }

            popGiftLeft?.setData(beenResultLeft)
            var windowPos = SizeUtils.calculatePopWindowPos2(tv_choose, popGiftLeft?.contentView)
            popGiftLeft?.showAtLocation(tv_choose, Gravity.TOP and Gravity.LEFT, windowPos[0], windowPos[1] - 200)
        }
        tv_count.setOnClickListener {
            if (popGiftRight == null) {
                popGiftRight = PopGiftRight(mContext, beenRight) {
                    beanResultRight = it
                    tv_count.text = beanResultRight?.name
                }
            }
            var windowPos = SizeUtils.calculatePopWindowPos3(tv_count, popGiftRight?.contentView)
            popGiftRight?.showAtLocation(tv_count, Gravity.TOP or Gravity.LEFT, windowPos[0], windowPos[1])
        }
        //跳转到充值
        tv_money.setOnClickListener {
            startActivityForResult<ChargeActivity>(1)
        }
        //确认打赏的按钮
        btn_pay.setOnClickListener {
            var giftBeen = listOf<GiftBean>()
            when (svp.currentItem) {
                0 -> {
                    giftBeen = (mFragments!![0] as GiftFragment).allBeen.filter { it.isChecked }
                }
                1 -> {
                    giftBeen = (mFragments!![1] as BagFragment).allBeen.filter { it.isChecked }
                }
            }
            if (giftBeen == null || giftBeen.size == 0) {
                ToastUtils.showShort("请选择礼物")
                return@setOnClickListener
            }
            var userBeen = beenResultLeft.filter { it.isChecked }
            if (userBeen == null || userBeen.size == 0) {
                ToastUtils.showShort("请选择打赏对象")
                return@setOnClickListener
            }
            var giftBean = giftBeen[0]
            var pits = ""
            var user_ids = ""
            var pit_names = ""
            userBeen.forEach {
                pits = pits + it.pit_number + ","
                user_ids = user_ids + it.user_id + ","
                pit_names = pit_names + it.nickname + ","
            }
            pits = pits.substring(0, pits.length - 1)
            user_ids = user_ids.substring(0, user_ids.length - 1)
            pit_names = pit_names.substring(0, pit_names.length - 1)
            giveGift(user_ids, giftBean, tv_count.text.toString(), room_id, pits, pit_names, 0, userBeen.size)
        }
        //背包礼物全部送出的按钮
        btn_all_bag.setOnClickListener {
            var giftBeen = listOf<GiftBean>()
            when (svp.currentItem) {
                1 -> {
                    giftBeen = (mFragments!![1] as BagFragment).allBeen.filter { it.isChecked }
                }
            }
            if (giftBeen == null || giftBeen.size == 0) {
                ToastUtils.showShort("请选择礼物")
                return@setOnClickListener
            }
            var userBeen = beenResultLeft.filter { it.isChecked }
            if (userBeen == null || userBeen.size == 0) {
                ToastUtils.showShort("请选择打赏对象")
                return@setOnClickListener
            }
            if (userBeen.size > 1) {
                ToastUtils.showShort("只能送给一个打赏对象")
                return@setOnClickListener
            }
            var giftBean = giftBeen[0]
            var pits = ""
            var user_ids = ""
            var pit_names = ""
            userBeen.forEach {
                pits = pits + it.pit_number + ","
                user_ids = user_ids + it.user_id + ","
                pit_names = pit_names + it.nickname + ","
            }
            pits = pits.substring(0, pits.length - 1)
            user_ids = user_ids.substring(0, user_ids.length - 1)
            pit_names = pit_names.substring(0, pit_names.length - 1)
            AlertDialog.Builder(mContext).setMessage("确定要送出吗?")
                    .setPositiveButton("确定") { p0, p1 -> giveGift(user_ids, giftBean, giftBean.numbers, room_id, pits, pit_names, 1, 1) }
                    .setNegativeButton("取消", null)
                    .show()


        }
    }

    override fun processLogic() {

    }

    interface OnFragmentInteractionListener {
        fun onFragmentInteraction(code: Int)
    }

    //赠送礼物接口
    fun giveGift(user_id: String, gift: GiftBean, number: String, id: String, pit: String, pit_names: String, send_all_status: Int, size: Int) {
        Net.post(mContext, UrlUtils().giveGift, mapOf("user_id" to user_id, "gift_id" to if (svp.currentItem == 0) gift.id else gift.gift_id, "number" to number, "id" to id, "pit" to pit, "type" to svp.currentItem + 1, "send_all_status" to send_all_status), object : Net.Callback(mContext, true) {
            override fun onSuccess(t: Any?) {
                getData()
                if (svp.currentItem == 1) {
                    //从背包送的礼物
                    (mFragments!![1] as BagFragment).refresh(gift.gift_id, number.toInt(), send_all_status, size)
                }
                pit_names?.split(",").forEach {
                    val message = EMMessage.createTxtSendMessage("${MyApplication.getInstance().user.nickname}送给$it", chatrooms)
                    message.from = MyApplication.getInstance().user.emchat_username
                    message.chatType = EMMessage.ChatType.ChatRoom
                    message.setAttribute("action", 2)
                    message.setAttribute("gift_id", if (svp.currentItem == 0) gift.id else gift.gift_id)
                    message.setAttribute("gift_pic", gift.picture)
                    message.setAttribute("gift_name", gift.name)
                    message.setAttribute("gift_price", gift.price)
                    message.setAttribute("gift_spectial", gift.special)
                    message.setAttribute("gift_num", number)
                    gift.pits = pit
                    message.setAttribute("pits", gift.pits)
                    message.setAttribute("user_id", MyApplication.getInstance().user.user_id)
                    message.setAttribute("nickname", MyApplication.getInstance().user.nickname)
                    message.setAttribute("avatar", MyApplication.getInstance().user.head_picture)
                    message.setAttribute("rank_id", MyApplication.getInstance().user.rank_id)
                    message.setAttribute("nobility_name", MyApplication.getInstance().user.nobility_name)
                    message.setAttribute("role", MyApplication.getInstance().user.role)
                    EMClient.getInstance().chatManager().sendMessage(message)
                }
                EventBusUtils.post(EventBusUtils.EventMessage(EVENT_MESSAGE_GIFT_SEND, gift))//自己展示动画
                val jsonObject = JSONObject()
                jsonObject.put("type", "giveGift")
                jsonObject.put("token", MyApplication.getInstance().token)
                jsonObject.put("room_id", room_id)
                jsonObject.put("user_id", user_id)
                jsonObject.put("gift_id", if (svp.currentItem == 0) gift.id else gift.gift_id)
                jsonObject.put("number", number)
                WebSocketUtils.getInstance().sendMessage(jsonObject.toString())

                val jsonObject1 = JSONObject()
                jsonObject1.put("type", "refresh2")
                jsonObject1.put("token", MyApplication.getInstance().token)
                jsonObject1.put("room_id", room_id)
                jsonObject1.put("user_id", user_id)
                jsonObject1.put("gift_id", if (svp.currentItem == 0) gift.id else gift.gift_id)
                jsonObject1.put("number", number)
                WebSocketUtils.getInstance().sendMessage(jsonObject1.toString())

                userMoney()
                //送完礼物之后,礼物框不消失
                // this@FragmentRoomDetailGift.dismiss()
            }

            override fun onError(apiException: Throwable?) {
                if (apiException is ApiException) {
                    when (apiException.code) {
                        2 -> {
                            DialogMoneyCharge(mContext) {
                                dismiss()
                                mContext.startActivity<ChargeActivity>()
                            }.show()
                        }
                    }
                }
            }

            override fun onMessage(status: Int, msg: String) {
                super.onMessage(status, msg)
                ToastUtils.showShort(msg)
            }
        })
    }

    //更新金币的数量
    fun userMoney() {
        Net.post(mContext, UrlUtils().userMoney, emptyMap(), object : Net.Callback() {
            override fun onSuccess(t: Any?) {
                var user = MyApplication.getInstance().user
                user.money = t.toString()
                MyApplication.getInstance().user = user
            }

            override fun onError(apiException: Throwable?) {
            }
        })
    }

    //更新选中的打赏对象的状态
    fun refreshCheckedStatus(first: Int) {
        var list1 = beenResultLeft.filter { it.isChecked }
        if (first == 1 && list1.size == 0) {
            //点击进入默认选中房主,如果房主在麦位
            this.beenResultLeft.forEach {
                if (it?.pit_number == 9 && !TextUtils.isEmpty(it?.user_id)) {
                    it?.isChecked = true
                }
            }
        }
        var list = beenResultLeft.filter { it.isChecked }
        when (list.size) {
            0 -> {
                tv_choose.text = "选择打赏对象"
                btn_all_mics.setBackgroundResource(R.drawable.bg_r99_trans_colormain)
                btn_all_mics.setTextColor(mContext.resources.getColor(R.color.color_main))
            }
            beenResultLeft.size -> {
                tv_choose.text = "${list.size} 打赏全麦"
                btn_all_mics.setBackgroundResource(R.drawable.bg_r99_colormain)
                btn_all_mics.setTextColor(mContext.resources.getColor(R.color.white))
            }
            9 -> {
                tv_choose.text = "9 打赏全麦"
                btn_all_mics.setBackgroundResource(R.drawable.bg_r99_colormain)
                btn_all_mics.setTextColor(mContext.resources.getColor(R.color.white))
            }

            else -> {
                var s = ""
                list.forEach {
                    s = s + it.nickname + ","
                }
                s = s.substring(0, s.length - 1)
                tv_choose.text = "${list.size} ${s}"
                btn_all_mics.setBackgroundResource(R.drawable.bg_r99_trans_colormain)
                btn_all_mics.setTextColor(mContext.resources.getColor(R.color.color_main))
            }
        }
    }

    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
        super.onActivityResult(requestCode, resultCode, data)
        if (requestCode == 1) {
            getData()
        }
    }

    /*
 * 获取金币数量,在金币变动之后调用
 * */
    fun getData() {
        Net.post(mContext, UrlUtils().userInfo, emptyMap(), object : Net.Callback(mContext, false) {
            override fun onSuccess(t: Any?) {
                val gson = Gson()
                var userBean = gson.fromJson(JSON.toJSONString(t), UserBean::class.java)
                MyApplication.getInstance().user = userBean
                tv_money.text = MyApplication.getInstance().user.money
            }

            override fun onError(apiException: Throwable?) {
            }
        })
    }
}

layout dialog_room_detail_gift.xml的代码:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@drawable/bg_r8_14123a"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        android:paddingLeft="15dp"
        android:paddingRight="15dp">

        <com.flyco.tablayout.SlidingTabLayout
            android:id="@+id/ctl"
            android:layout_width="wrap_content"
            android:layout_height="@dimen/topbar_height"
            app:tl_indicator_color="@color/color_main"
            app:tl_indicator_corner_radius="2dp"
            app:tl_indicator_gravity="BOTTOM"
            app:tl_indicator_height="3dp"
            app:tl_indicator_style="NORMAL"
            app:tl_indicator_width_equal_title="true"
            app:tl_tab_space_equal="false"
            app:tl_textSelectColor="@color/color_main"
            app:tl_textUnselectColor="@color/color_33"
            app:tl_textsize="14sp" />

        <TextView
            android:id="@+id/tv_sugar"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:gravity="center"
            android:paddingLeft="10dp"
            android:paddingRight="10dp"
            android:text="摇糖罐"
            android:textColor="@color/color_33" />

        <View
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_weight="1" />

        <TextView
            android:id="@+id/tv_money"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:drawableLeft="@drawable/talk_icon_bi"
            android:drawableRight="@drawable/talk_icon_more_1"
            android:drawablePadding="10dp"
            android:gravity="center_vertical"
            android:text="0"
            android:textColor="@color/color_99"
            android:textSize="11sp" />
    </LinearLayout>

    <View
        android:layout_width="match_parent"
        android:layout_height="@dimen/height_line"
        android:background="@color/color_f8f8f8" />

    <com.lnkj.tangguan.widget.ScrollViewPager
        android:id="@+id/svp"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/btn_all_bag"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="right"
        android:layout_marginRight="15dp"
        android:background="@drawable/bg_r99_colormain"
        android:minWidth="76dp"
        android:minHeight="32dp"
        android:text="全部送出"
        android:textColor="@color/white"
        android:textSize="14sp"
        android:visibility="gone"
        tools:visibility="visible" />

    <android.support.constraint.ConstraintLayout
        android:id="@+id/cl_bottom"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:paddingLeft="15dp"
        android:paddingRight="15dp"
        android:paddingBottom="0dp">

        <Button
            android:id="@+id/btn_all_mics"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="10dp"
            android:layout_marginBottom="10dp"
            android:background="@drawable/bg_r99_trans_colormain"
            android:minWidth="60dp"
            android:minHeight="32dp"
            android:text="全麦"
            android:textColor="@color/color_main"
            android:textSize="15sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <LinearLayout
            android:layout_width="0dp"
            android:layout_height="0dp"
            app:layout_constraintBottom_toBottomOf="@+id/btn_all_mics"
            app:layout_constraintLeft_toRightOf="@+id/btn_all_mics"
            app:layout_constraintRight_toLeftOf="@+id/ll_num"
            app:layout_constraintTop_toTopOf="@+id/btn_all_mics">

            <TextView
                android:id="@+id/tv_choose"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:layout_marginLeft="10dp"
                android:layout_marginRight="10dp"
                android:background="@drawable/bg_r99_trans_f"
                android:drawableRight="@drawable/talk_btn_top"
                android:gravity="center"
                android:paddingLeft="10dp"
                android:paddingRight="10dp"
                android:singleLine="true"
                android:text="选择打赏对象"
                android:textColor="@color/color_99"
                android:textSize="14sp" />
        </LinearLayout>


        <LinearLayout
            android:id="@+id/ll_num"
            android:layout_width="wrap_content"
            android:layout_height="0dp"
            android:background="@drawable/bg_r99_trans_colormain"
            android:gravity="center_vertical"
            app:layout_constraintBottom_toBottomOf="@+id/btn_all_mics"
            app:layout_constraintRight_toRightOf="parent"
            app:layout_constraintTop_toTopOf="@+id/btn_all_mics">

            <TextView
                android:id="@+id/tv_count"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:drawableRight="@drawable/talk_btn_top"
                android:drawablePadding="5dp"
                android:gravity="center"
                android:paddingLeft="10dp"
                android:paddingRight="5dp"
                android:text="1"
                android:textColor="@color/color_33"
                android:textSize="14sp" />

            <Button
                android:id="@+id/btn_pay"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="@drawable/bg_r99_colormain"
                android:minWidth="60dp"
                android:minHeight="32dp"
                android:text="打赏"
                android:textColor="@color/white"
                android:textSize="14sp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintLeft_toLeftOf="parent"
                app:layout_constraintTop_toTopOf="parent" />
        </LinearLayout>
    </android.support.constraint.ConstraintLayout>


</LinearLayout>

drawable bg_r8_14123a.xml的代码:

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="@color/white" />

    <corners
        android:topLeftRadius="8dp"
        android:topRightRadius="8dp" />
</shape>

drawable bg_r99_colormain.xml的代码:

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="@color/color_main" />
    <corners android:radius="99dp" />
</shape>

drawable bg_r99_trans_colormain.xml的代码:

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="@color/white" />
    <stroke android:color="@color/color_main"
        android:width="@dimen/height_line"></stroke>
    <corners android:radius="99dp" />
</shape>

GiftFragment.kt的代码:

class GiftFragment : BaseFragment<GiftContract.Present>(), GiftContract.View {

    companion object {
        fun newInstance(args: Bundle?): GiftFragment {
            val fragment = GiftFragment()
            fragment.arguments = args
            return fragment
        }
    }

    override val mPresenter: GiftContract.Present
        get() = GiftPresent().also { it.attachView(this) }
    override val layoutRes: Int
        get() = R.layout.fragment_gift
    internal var map: MutableMap<Int, List<GiftBean>> = HashMap()
    internal var adapters: MutableList<GiftAdapter> = ArrayList()
    internal var views: MutableList<View> = ArrayList()
    var allBeen = mutableListOf<GiftBean>()


    override fun initAll() {
        mPresenter?.giftWall()
    }

    override fun setListener() {

    }

    override fun processLogic() {

    }

    override fun getContext(): Context {
        return mContext
    }

    override fun onEmpty() {

    }

    override fun onError() {

    }

    override fun giftWall(mutableList: MutableList<GiftBean>?) {
        if (mutableList == null) {
            return
        }
        allBeen = mutableList
        try {
            var k = 0
            var i = 0
            while (i < mutableList.size) {
                var been = mutableListOf<GiftBean>()
                //8是每页想设置的礼物数量
                if (i + 8 > mutableList.size) {
                    been = mutableList.subList(i, mutableList.size)
                } else {
                    been = mutableList.subList(i, i + 8)
                }
                map.put(k, been)
                k++
                views.add(initGridView(been))
                i = i + 8
            }
            val giftPagerAdapter = GiftPagerAdapter(views)
            vp.setAdapter(giftPagerAdapter)
            ci.setViewPager(vp)
        } catch (e: Exception) {
            e.printStackTrace()
        }
    }

    private fun initGridView(been: List<GiftBean>): View {
        val rootView = layoutInflater.inflate(R.layout.layout_gift_grid, null)
        val rv = rootView.findViewById(R.id.gv) as RecyclerView
        val giftAdapter = GiftAdapter(been as MutableList<GiftBean>)
        rv.layoutManager = GridLayoutManager(mContext, 4)
        giftAdapter?.bindToRecyclerView(rv)
        giftAdapter?.setOnItemClickListener { adapter, view, position ->
            var item = adapter.getItem(position) as GiftBean
            allBeen.forEach {
                it.isChecked = it.id == item.id
            }
            refresh()
        }
        adapters?.add(giftAdapter)
        return rootView
    }

    fun refresh() {
        var item = allBeen.filter { it.isChecked }.get(0)
        adapters.forEach { adapter ->
            adapter.data.forEach {
                it.isChecked = item.id == it.id
            }
            adapter.notifyDataSetChanged()
        }
    }
}

fragment_gift的代码:

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/white"
    tools:context=".ui.fragment0.roomdetail.gift.gift.GiftFragment">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <android.support.v4.view.ViewPager
            android:id="@+id/vp"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1" />

        <me.relex.circleindicator.CircleIndicator
            android:id="@+id/ci"
            android:layout_width="match_parent"
            android:layout_height="20dp"
            android:layout_alignParentBottom="true"
            android:layout_centerHorizontal="true"
            app:ci_animator="@anim/indicator_no_animator"
            app:ci_drawable="@drawable/white_radius_square_un"
            app:ci_drawable_unselected="@drawable/white_radius_square"
            app:ci_height="6dp"
            app:ci_margin="6dp"
            app:ci_width="6dp" />
    </LinearLayout>

</FrameLayout>

注:CircleIndicator的库是 compile ‘me.relex:circleindicator:1.2.2@aar’

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